Added --dll wildcard support for --mode proxy --action exports

Spartacus/Modes/PROXY/ExportsGeneration.cs

@@ -2,6 +2,7 @@
 using Spartacus.Utils;
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;

Spartacus/Modes/PROXY/ModeProxy.cs

@@ -61,6 +61,20 @@ protected void SanitiseExportsGenerationRuntimeData()
             }
             else
             {
+                // Export DLLs support wildcard paths, so you can add --dll "C:\Windows\System32\*.dll" and it will load all those DLLs.
+                List<string> wildcardPaths = RuntimeData.BatchDLLFiles.Where(dll => dll.ToLower().Contains("*.dll")).ToList();
+                foreach (string wildcardPath in wildcardPaths)
+                {
+                    // First we remove the found path from the list.
+                    RuntimeData.BatchDLLFiles.Remove(wildcardPath);
+                    string dllPath = Path.GetDirectoryName(wildcardPath);
+
+                    // Then we append the new results to the list.
+                    RuntimeData.BatchDLLFiles.AddRange(Directory.EnumerateFiles(dllPath, "*.dll").ToList());
+
+                    RuntimeData.BatchDLLFiles = RuntimeData.BatchDLLFiles.Distinct().ToList();
+                }
+
                 foreach (string dllFile in RuntimeData.BatchDLLFiles)
                 {
                     if (!File.Exists(dllFile))

Spartacus/Utils/Helper.cs

@@ -155,7 +155,8 @@ public List<FileExport> GetExportFunctions(string DLL)
             }
             catch (Exception ex)
             {
-                // Nothing.
+                Logger.Error("Could not get exports for file: " + DLL);
+                Logger.Error(ex.Message);
             }
 
             return exports;

Spartacus/Utils/PEFileExports.cs

@@ -206,8 +206,8 @@ public List<FileExport> Extract(string dllFile)
             }
             finally
             {
-                reader.Close();
-                stream.Close();
+                reader?.Close();
+                stream?.Close();
             }
         }